EP1362090B1 - Granules regulateurs de mousse - Google Patents

Granules regulateurs de mousse Download PDF

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Publication number
EP1362090B1
EP1362090B1 EP02722070A EP02722070A EP1362090B1 EP 1362090 B1 EP1362090 B1 EP 1362090B1 EP 02722070 A EP02722070 A EP 02722070A EP 02722070 A EP02722070 A EP 02722070A EP 1362090 B1 EP1362090 B1 EP 1362090B1
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EP
European Patent Office
Prior art keywords
weight
paraffin wax
foam regulating
silicone oil
carrier material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02722070A
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German (de)
English (en)
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EP1362090A1 (fr
Inventor
Volker Blank
René-Andres ARTIGA GONZALEZ
Ulrich Pegelow
Stefan Hammelstein
Adolf Wiche
Mario Sturm
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Publication of EP1362090A1 publication Critical patent/EP1362090A1/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0026—Low foaming or foam regulating compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/18—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones

Definitions

  • the invention relates to particulate foam control agents which can be used in detergents or cleaners and to a process for their preparation.
  • European Patent EP 0 309 931 B1 describes suitable particulate foam control agents for use in detergents and cleaners comprising a water-soluble surfactant-free carrier material and a siloxane-free defoamer mixture of 5-60% by weight of soft and / or hard paraffin adsorbed thereon, 20-90% by weight of microcrystalline paraffin wax having a certain melting range and 5-20% by weight of a diamide derived from C 2-7 diamines and C 12-22 fatty acids in finely divided form.
  • the preparation of such particulate foam control agents is carried out by spray-drying an aqueous slurry containing the support material and the defoaming mixture.
  • the defoamer performance of the defoamer mixture is reported to be insufficient when sprayed onto a particulate detergent.
  • German Offenlegungsschrift DE 23 38 468 is a detergent with a content of a silicone defoamer, which is protected against interactions with the detergent ingredients.
  • aqueous melts containing the silicone defoamer and a carrier substance, for example polyglycol are first spray-dried and the resulting particles are coated in a fluidized bed of a solid, water-soluble coating material Mistake.
  • coating material it is possible to use customary salts used in detergents, in particular tripolyphosphate or carboxymethylcellulose. Such a multi-stage production process is comparatively technically complicated.
  • German Offenlegungsschrift DE 3128 631 describes the preparation of foam-damped detergents containing silicone defoamers which are microencapsulated.
  • the silicone is dispersed in an aqueous solution of a film-forming polymer and the dispersion - separated from the other dissolved or dispersed in water detergent ingredients - fed via a special line of the spray-drying plant.
  • the union of the two partial streams takes place in the region of the spray nozzle.
  • Suitable film-forming polymers are, for example, cellulose ethers, starch ethers or synthetic water-soluble polymers and mixtures thereof.
  • the formation of the microcapsules takes place spontaneously in the spray nozzle or by previous precipitation by adding electrolyte salts to the silicone dispersion.
  • the process described is bound to the production of spray-dried detergents. A transfer to otherwise, for example, produced by granulation detergents or other applications, is not possible in this procedure.
  • European Patent Application EP 097 867 describes a process for preparing microencapsulated defoamer oils by mixing a silicone emulsion with an aqueous solution of carboxymethylcellulose and precipitating the microcapsules by adding electrolytes, in particular polyvalent salts or organic solvents. There is considerable difficulty in homogeneously distributing the small quantities of silicone microcapsules required for adequate foam damping in a comparatively large quantity of washing powder.
  • German Offenlegungsschrift DE 34 36 194 describes a process for producing a free-flowing antifoam granules by spray-drying an aqueous antifoam dispersion containing film-forming polymers.
  • a granulate of the composition 1 to 10 wt .-% water-insoluble Defoamer active ingredient, 0.2 to 2 wt .-% of a mixture of sodium carboxymethylcellulose and methylcellulose in a weight ratio of 80: 20 to 40: 60, 70 to 90 wt .-% of inorganic, water-soluble or dispersible carrier salts, balance water, allowed one Swelling aqueous solution containing 0.5 to 8 wt .-% of the cellulose ether mixture at a temperature of 15 to 60 ° C until the viscosity of the solution is at least 75% of the viscosity, which is measured with complete swelling of the cellulose ether solution, then dispersed in this solution, the defoamer and spray-dried after
  • organopolysiloxanes paraffins and mixtures of organopolysiloxanes and paraffins are used.
  • the antifoam active ingredient content is 1 to 10% by weight, preferably 3 to 7% by weight.
  • the carrier salt is preferably a mixture of sodium silicate, sodium tripolyphosphate and sodium sulfate.
  • European Patent EP 0 337 523 B1 discloses a process for producing powdered detergents which contain at least 5% by weight of anionic surfactant, 20-80% by weight of aluminosilicate and substantially insoluble paraffin wax in water and anionic and nonionic surfactants, which involves the co-spraying or subsequent spraying of the paraffin onto the prefabricated detergent particle as an essential process step.
  • the paraffin wax can also be used in the form of a mixture with nonionic surfactants.
  • the stability of the particles thus obtained is not always satisfactorily high. Rather, in the production and transport of the foam regulator particles, their disintegration can result in smaller particles or powder which, while still having a good foam control effect, can not readily be uniformly incorporated into particulate detergents or cleaners.
  • the problem of poor particle stability is solved by the present invention by the adaptation of the carrier material.
  • the invention relates to a usable in detergents or cleaning particulate Schaumregulienmgskar containing Schaumregulatorwirkstoff paraffin wax and / or silicone oil-based, nonionic and / or anionic emulsifier and solid support material, characterized in that the carrier material contains alkali carbonate and a Br ⁇ nsted acid.
  • Another object of the invention is a process for the preparation of particulate foam regulator granules by spraying an aqueous foam regulator emulsion, containing from 16% to 70% by weight of paraffin wax and / or silicone oil based foam control active, from 2% to 15% by weight of nonionic and / or anionic emulsifier and not more than 80% by weight of water, to a solid support material, which optionally followed by a drying step, which is characterized in that the support material contains alkali metal carbonate and a Br ⁇ nsted acid.
  • the Br ⁇ nsted acid be in solid form at 25 ° C. It has at 25 ° C a water solubility of preferably at least 100 g / l. Preferably, it is selected from the di- and tricarboxylic acids, their acidic salts, the acidic salts of inorganic acids, in particular NaHSO 4 , Na 2 HPO 4 and NaH 2 PO 4 , and mixtures thereof.
  • the Br ⁇ nsted acid is citric acid.
  • the support material used in the process according to the invention contains alkali carbonate and a Br ⁇ nsted acid, preferably in weight ratios of from 1: 1 to 100: 1, in particular from 20: 3 to 80: 3.
  • the support material preferably has 40% by weight to 90% by weight, in particular 60% by weight to 80% by weight, of alkali carbonate and 1-20% by weight, in particular 3% by weight to 9% by weight. a Br ⁇ nsted acid.
  • the support material may consist solely of alkali carbonate and the Br ⁇ nsted acid or additionally contain other particulate components, solid and / or formulated in solid form washing or cleaning agent components come into question.
  • These include, for example, conventional powders prepared by spray-drying aqueous slurries of their ingredients, solid oxygen-based bleaches, for example alkali percarbonates or alkali metal perborates, which may be present as so-called monohydrates or tetrahydrates, bleach activators in powder form, for example a tetraacetylethylenediamine prepared by the process of European Patent EP 0 037 026 Granules, anionic surfactant compounds not prepared by conventional spray drying according to international patent application WO 93/04162, containing more than 80% by weight, in particular more than 90% by weight, of alkyl sulfate having alkyl chain lengths in the range of C 12 to C 18 , where Rest essentially inorganic salts and water, enzymes present in granular form, for
  • the carrier material comprises a combination of alkali metal bicarbonate and alkali carbonate, the weight ratio of which is preferably 99: 1 to 10:90, in particular 95: 5 to 50:50.
  • alkali metal in the salts mentioned as well as in the alkali carbonate is sodium.
  • a build-up granulation such that an amount of 40 to 110 parts by weight, in particular 60 to 90 parts by weight of support material, preferably additionally alkali metal sulfate and / or alkali metal bicarbonate, mixed vigorously and granulating an amount of 15 to 50 parts by weight, in particular 25 to 35 parts by weight of optionally heated to a temperature in the range of 70 ° C to 180 ° C heated Schaumregulatoremulsion.
  • Small amounts of water preferably not more than 10 parts by weight, in particular from 1 to 5 parts by weight of water, may, if desired, also be added after or preferably before the addition of the foam regulator emulsion.
  • a paraffin wax base is understood as meaning, in particular, a combination of paraffin wax and bis-fatty acid amide.
  • a foam regulator emulsion useful in accordance with the invention preferably contains 15% by weight to 60% by weight, in particular 30% by weight to 50% by weight paraffin wax or a mixture of paraffin wax and silicone oil, 1% by weight to 10% by weight , especially 3 wt .-% to 8 wt .-% of C 2-7 diamines and C 12-22 fatty acids derived Bisfettklamid, 2 wt .-% to 15 wt .-%, in particular 3 wt .-% to 10 wt % nonionic and / or anionic emulsifier and not more than 80% by weight, in particular not more than 60% by weight and particularly preferably 20% by weight to 50% by weight of water.
  • a paraffin wax-based foam regulator emulsion which can be used according to the invention is preferably prepared by melting the paraffin wax and the bis-fatty acid amide in the presence of the emulsifier, if appropriate cooling the melt to not more than about 100 ° C. and stirring in water. If mixtures of nonionic emulsifier and anionic emulsifier are used, it is preferred to incorporate the nonionic emulsifier as described in the melt of paraffin wax and Bisfettklamid and the anionic emulsifier not the melt, but before stirring the melt added to the water. When paraffin wax and bis-fatty acid amide are used in the molten, un-cooled form, it is preferable to use cold water having a temperature equal to or less than room temperature.
  • melt is cooled before stirring in water to a temperature of at most about 100 ° C, it is preferred to use water at a temperature of about 50 ° C to 80 ° C.
  • Conventional stirring devices are usually sufficient to achieve the uniform distribution of all components and thus to produce the aqueous emulsion useful in this invention;
  • the use of high-speed mixers or homogenizers for example Ultra Turrax® is generally not required.
  • the additional incorporation of silicone oil is possible at any point of this process.
  • foam regulator emulsions are to be prepared which contain silicone oil as the sole foam regulator active ingredient or in comparison with the amount of paraffin wax in a higher amount, it is preferred to first mix the silicone oil with the nonionic and / or anionic emulsifier, add a portion of the water quantity with stirring so that a Forms emulsion of the type of water in silicone, continues to add more water until it comes to an inversion of the emulsion, stirred vigorously and then with stirring, the remaining water to.
  • the emulsion thus obtained may optionally have partially multiple character, the means in the outer water phase also droplets of the original core emulsion of the type water in silicone can be found.
  • the foam regulator emulsions which can be used in the process according to the invention are stable and preferably have viscosities below 2500 mPa.s at 60 ° C., in particular in the range from 100 mPa.s to 500 mPa.s, measured for example with a Brookfield rotational viscometer, spindle no .2, 5 revolutions per minute, up.
  • paraffin waxes in question in accordance with the invention are generally complex mixtures without a sharp melting point.
  • their melting range is usually determined by differential thermal analysis (DTA) as described in "The Analyst” 87 (1962), 420, and / or their solidification point. This is the temperature at which the wax passes from the liquid to the solid state by slow cooling.
  • DTA differential thermal analysis
  • paraffins which are completely liquid at room temperature ie those having a solidification point below 25.degree. C.
  • solid paraffins which are solid at room temperature are useful.
  • the paraffin wax is solid at room temperature and is at 100 ° C in a completely liquid form.
  • paraffin wax mixtures known from European patent application EP 0 309 931 may be used, for example, from 26% by weight to 49% by weight of microcrystalline paraffin wax having a solidification point of from 62 ° C. to 90 ° C., from 20% by weight to 49% by weight % Hard paraffin with a solidification point of 42 ° C to 56 ° C and 2 wt .-% to 25 wt .-% soft paraffin with a solidification point of 35 ° C to 40 ° C.
  • paraffins or paraffin mixtures are used, which solidify in the range of 30 ° C to 90 ° C. It should be noted that even at room temperature appearing paraffin wax mixtures may contain different proportions of liquid paraffin.
  • the liquid fraction at 40 ° C. is as high as possible, without already being 100% at this temperature.
  • Preferred paraffin wax mixtures have at 40 ° C a liquid content of at least 50 wt .-%, in particular from 55 wt .-% to 80 wt .-%, and at 60 ° C, a liquid content of at least 90 wt .-% to.
  • the temperature, at a liquid content of 100 wt .-% of the paraffin wax is reached, in particularly preferred Paraffinwachsgemischen still below 85 ° C, in particular at 75 ° C to 82 ° C. It should also be ensured that the paraffins contain as far as possible no volatile components.
  • Preferred paraffin waxes contain less than 1 wt .-%, in particular less than 0.5 wt .-% at 110 ° C and atmospheric pressure vaporizable fractions.
  • Paraffin waxes which can be used according to the invention can be obtained, for example, under the trade names Lunaflex® from Fuller and Deawax® from DEA Mineralöl AG.
  • Foam-regulating silicone oil or, in particular, mixtures of paraffin wax with foam-regulating silicone oil can also be used instead of the paraffin wax.
  • the reference to silicone oil in the context of the present invention also always means its mixing with finely divided fillers, for example hydrophilic or hydrophobic silica, so-called highly dispersed silicic acid.
  • silicone oil for example polydimethylsiloxane
  • silicone oil is preferably used in mixtures of paraffin wax and silicone oil in amounts such that the foam regulator emulsion used in the process according to the invention has a content of silicone oil in the range from 0.1% by weight to 10% by weight. , in particular 1 wt .-% to 5 wt .-%.
  • the foam regulator emulsion to be sprayed onto the carrier material contains a mixture of silicone oil and paraffin wax in a weight ratio of 2: 1 to 1: 100, in particular 1: 1 to 1:10.
  • a particularly preferably used foam regulator emulsion contains 10% by weight to 40% by weight, in particular 15% by weight to 35% by weight of silicone oil and 50% by weight to 80% by weight of water.
  • a second component of the defoamer system is preferably formed from bis-fatty acid amides.
  • Suitable bisamides are those of saturated fatty acids having 12 to 22, preferably 14 to 18 carbon atoms and of alkylenediamines having 2 to 7 Derive C atoms.
  • Suitable fatty acids are lauric, myristic, stearic, arachic and behenic acid and mixtures thereof, such as those obtainable from natural fats or hardened oils, such as tallow or hydrogenated palm oil.
  • diamines examples include ethylenediamine, 1,3-propylenediamine, tetramethylenediamine, pentamethylenediamine, hexamethylenediamine, p-phenylenediamine and toluenediamine.
  • Preferred diamines are ethylenediamine and hexamethylenediamine.
  • Particularly preferred bisamides are bis-myristoyl-ethylenediamine, bis-palmitoyl-ethylenediamine, bisstearoylethylenediamine and mixtures thereof and the corresponding derivatives of hexamethylenediamine.
  • Nonionic emulsifiers which can be used in emulsions which can be used according to the invention are, in particular, the alkoxylates, preferably the ethoxylates and / or propoxylates of alcohols, alkylamines, vicinal diols, carboxylic acids and / or carboxamides, the alkyl groups having 8 to 22 C atoms, preferably 12 to 18 carbon atoms, understood.
  • the average degree of alkoxylation of these compounds is generally from 1 to 10, preferably 2 to 5. They can be prepared in a known manner by reaction with the corresponding alkylene oxides.
  • Suitable alcohol alkoxylates include the ethoxylates and / or propoxylates of linear or branched-chain alcohols having 8 to 22 C atoms, preferably 12 to 18 C atoms. Particularly suitable are the derivatives of fatty alcohols, although their branched-chain isomers can be used for the preparation of usable alkoxylates.
  • the ethoxylates of primary alcohols with linear dodecyl, tetradecyl, hexadecyl or octadecyl radicals and mixtures thereof are useful.
  • the use of corresponding alkoxylates of mono- or polyunsaturated fatty alcohols which include, for example, oleyl alcohol, elaidyl alcohol, linoleyl alcohol, linolenyl alcohol, gadoleyl alcohol and eruca alcohol, is also possible. It is also possible to use esters or partial esters of carboxylic acids of corresponding C chain length with polyols, such as glycerol or oligoglycerol.
  • Preferred anionic emulsifiers are Alkali salts of alkylbenzenesulfonic acids having 9 to 13 carbon atoms in the alkyl group, in particular sodium dodecylbenzenesulfonate.
  • small amounts, optionally up to 4% by weight, of anionic and / or nonionic cellulose ethers, such as carboxymethylcellulose and / or hydroxyethylcellulose, may be present.
  • Essential for the preparation according to the invention useful emulsions is that one uses a homogeneous mixture of foam control system and in particular nonionic emulsifier. These can advantageously be achieved in a simple manner by melting the bisamide solid at room temperature in the presence of the paraffin and the emulsifier, expediently with stirring or homogenization. If the bisamide is not used in substance, but prefabricated in admixture with the paraffin, heating beyond the melting point of the bisamide is usually not required, since even at lower temperatures usually forms a solution of the bisamide in the paraffin.
  • the concentration of anionic emulsifier in water is preferably 5 wt% to 15 wt%.
  • the emulsion obtainable in this way is storage-stable at room temperature and preferably 3 to 60% by weight, in particular 15 to 45% by weight, of the carrier material is applied to it.
  • a drying step for example using conventional fluidized bed dryer, be connected, or bringing the emulsion with simultaneous drying, for example, also in a fluidized bed, on.
  • the foam regulator granules according to the invention or obtainable by the process according to the invention preferably contain 5% by weight to 50% by weight, in particular 8% by weight to 35% by weight, of foam regulator active ingredient.
  • the foam regulator granules thus obtained were added in an amount of 1 wt .-% to a defoamer-free particulate detergent, which at wash temperatures of 40 ° C, 60 ° C and 90 ° C gave a defoamer performance not behind that when used conventional type of defoamer granules produced backlog. It had a higher grain stability and a smaller amount of fine particles than a correspondingly produced granules, which lacked the Br ⁇ nsted acid portion or in which it was replaced by polymeric Alkalipolycarboxylat.

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Claims (20)

  1. Procédé pour la préparation de granulats régulateurs de mousse sous forme de particules par pulvérisation d'une émulsion aqueuse régulatrice de mousse, qui contient 16% en poids à 70% en poids de substance active régulatrice de mousse à base de cire de paraffine et/ou d'huile de silicone, 2% en poids à 15% en poids d'un émulsifiant non ionique et/ou anionique ainsi que pas plus de 80% en poids d'eau, sur un matériau support solide, une étape de séchage étant le cas échéant consécutive, caractérisé en ce que le matériau support contient du carbonate de métal alcalin et un acide de Bronsted.
  2. Procédé selon la revendication 1, caractérisé en ce que l'acide de Bronsted se trouve sous forme solide à 25°C.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'acide de Bronsted présente, à 25°C, une solubilité dans l'eau d'au moins 100 g/l.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'acide de Bronsted est choisi parmi les acides dicarboxyliques et tricarboxyliques, leurs sels acides, les sels acides d'acides inorganiques, en particulier le NaHSO4, le Na2HPO4 et le NaH2PO4, et leurs mélanges.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le matériau support contient du carbonate de métal alcalin et un acide de Bronsted dans des rapports pondéraux de 1:1 à 100:1, en particulier de 20:3 à 80:3.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le matériau support présente 40% en poids à 90% en poids, en particulier 60% en poids à 80% en poids de carbonate de métal alcalin et 1 à 20% en poids, en particulier 3% en poids à 9% en poids d'un acide de Bronsted.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le matériau support contient en outre d'autres constituants d'agent de lavage et de nettoyage solides et/ou confectionnés sous une forme solide.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'on utilise une émulsion aqueuse régulatrice de mousse, contenant 16% en poids à 70% en poids de substance active régulatrice de mousse à base de cire de paraffine et/ou d'huile de silicone, 2% en poids à 15% en poids d'émulsifiant non ionique et/ou anionique ainsi que pas plus de 80% en poids d'eau.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'on utilise une émulsion aqueuse régulatrice de mousse, contenant 15% en poids à 60% en poids de cire de paraffine ou un mélange de cire de paraffine et d'huile de silicone, 1% en poids à 10% en poids de bis(amide d'acide gras) dérivé de diamines en C2 à C7 et d'acides gras en C12 à C22, 2% en poids à 15% en poids d'émulsifiant non ionique et/ou anionique ainsi que pas plus de 80% en poids d'eau.
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'émulsion aqueuse régulatrice de mousse contient 30% en poids à 50% en poids de cire de paraffine ou d'un mélange de cire de paraffine et d'huile de silicone.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'émulsion aqueuse régulatrice de mousse contient un mélange d'huile de silicone et de cire de paraffine dans un rapport pondéral de 2:1 à 1:100, en particulier de 1:1 à 1:10.
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la cire de paraffine est solide à température ambiante et se trouve sous une forme complètement liquide à 100°C.
  13. Procédé selon la revendication 12, caractérisé en ce que la cire de paraffine présente, à 40°C, une proportion liquide d'au moins 50% en poids, en particulier de 55% en poids à 80% en poids, et à 60°C une proportion liquide d'au moins 90% en poids.
  14. Procédé selon l'une quelconque des revendications 1 à 13, caractérisé en ce que l'émulsion aqueuse régulatrice de mousse contient 3% en poids à 8% en poids de bis(amide d'acide gras) dérivé de diamines en C2 à C7 et d'acides gras en C12 à C22.
  15. Procédé selon l'une quelconque des revendications 1 à 14, caractérisé en ce que l'émulsion aqueuse régulatrice de mousse présente une teneur en huile de silicone dans la plage de 0,1% en poids à 10% en poids, en particulier de 1% en poids à 5% en poids.
  16. Procédé selon l'une quelconque des revendications 1 à 15, caractérisé en ce que l'émulsion aqueuse régulatrice de mousse contient 3% en poids à 10% en poids d'émulsifiant non ionique et/ou anionique.
  17. Procédé selon la revendication 16, caractérisé en ce que l'émulsifiant non ionique est choisi parmi les alcoxylates, en particulier les éthoxylates et/ou les propoxylates d'alcools, d'alkylamines, de diols vicinaux et/ou d'amides d'acide carboxylique, qui présentent des groupes alkyle comprenant 8 à 22 atomes de carbone, de préférence 12 à 18 atomes de carbone et dont le degré d'alcoxylation moyen est de 1 à 10, en particulier de 2 à 5.
  18. Procédé selon l'une quelconque des revendications 1 à 17, caractérisé en ce qu'on réalise, dans un mélangeur à granulation, une granulation d'élaboration de telle manière qu'on mélange intensivement une quantité de 40 à 110 parties en poids, en particulier de 60 à 90 parties en poids de matériau support et on ajoute, en granulant, une quantité de 15 à 50 parties en poids, en particulier de 25 à 35 parties en poids de l'émulsion régulatrice de mousse, le cas échéant chauffée à une température dans la plage de 70°C à 180°C.
  19. Procédé selon l'une quelconque des revendications 1 à 18, caractérisé en ce que l'acide de Bronsted est l'acide citrique.
  20. Agent régulateur de mousse sous forme de particules utilisable dans les agents de lavage et de nettoyage, contenant une substance active régulatrice de mousse à base de cire de paraffine et/ou d'huile de silicone, un émulsifiant non ionique et/ou anionique et un matériau support solide, caractérisé en ce que le matériau support contient un carbonate de métal alcalin et un acide de Bronsted.
EP02722070A 2001-02-22 2002-02-13 Granules regulateurs de mousse Expired - Lifetime EP1362090B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10108459 2001-02-22
DE10108459A DE10108459A1 (de) 2001-02-22 2001-02-22 Schaumregulatorgranulat
PCT/EP2002/001458 WO2002074894A1 (fr) 2001-02-22 2002-02-13 Granules regulateurs de mousse

Publications (2)

Publication Number Publication Date
EP1362090A1 EP1362090A1 (fr) 2003-11-19
EP1362090B1 true EP1362090B1 (fr) 2006-09-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02722070A Expired - Lifetime EP1362090B1 (fr) 2001-02-22 2002-02-13 Granules regulateurs de mousse

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US (1) US7279453B2 (fr)
EP (1) EP1362090B1 (fr)
DE (2) DE10108459A1 (fr)
ES (1) ES2272700T3 (fr)
WO (1) WO2002074894A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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DE102005040274B3 (de) * 2005-08-24 2007-04-12 Henkel Kgaa Schaumregulatorgranulat
DE102005040273B4 (de) * 2005-08-24 2007-08-30 Henkel Kgaa Verwendung von Schaumregulatorgranulaten als Ablagerungsverhinderer bei der maschinellen Textilwäsche

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GB1407997A (en) * 1972-08-01 1975-10-01 Procter & Gamble Controlled sudsing detergent compositions
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DE2753680C2 (de) * 1977-12-02 1986-06-26 Henkel KGaA, 4000 Düsseldorf Verfahren zur Herstellung pulverförmiger, organische Siliciumpolymere enthaltender Waschmittel mit verbesserten Lösungseigenschaften
DE3011998C2 (de) 1980-03-28 1982-06-16 Henkel KGaA, 4000 Düsseldorf Verfahren zur Herstellung eines lagerstabilen, leichtlöslichen Granulates mit einem Gehalt an Bleichaktivatoren
DE3128631A1 (de) * 1981-07-20 1983-02-03 Henkel Kgaa "verfahren zur herstellung eines schaumgedaempften, silikone enthaltenden waschmittels"
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Also Published As

Publication number Publication date
DE50208134D1 (de) 2006-10-26
ES2272700T3 (es) 2007-05-01
US7279453B2 (en) 2007-10-09
EP1362090A1 (fr) 2003-11-19
WO2002074894A1 (fr) 2002-09-26
US20040152615A1 (en) 2004-08-05
DE10108459A1 (de) 2002-09-12

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